Answer
Public restrooms and some beach concession areas serve as de facto changing spots; bring a cover-up and pack-out bag for wet clothes. Hotel rooms remain easiest for full outfit changes. Never change in ways that block Boardwalk flow.
Sources: Town of Ocean City · Visit Ocean City
Editorial visitor guidance for Ocean City, Maryland. Confirm current Town of Ocean City, Maryland DNR, NPS Assateague, and NWS rules when regulations or safety apply.
